The Howdy Glossary

Geometric Description Language (GDL) is a specialized programming language developed by GRAPHISOFT for use with ARCHICAD software, enabling users to design custom parametric components such as doors and windows in 3D architectural models. GDL allows architects and designers to create intelligent elements that can adjust and interact dynamically within a virtual 3D environment, maintaining precise geometry and relationships within the architectural structure. Integrating object-oriented programming and declarative scripting, GDL facilitates efficient development of complex Building Information Modeling (BIM) elements.

GDL's unique attributes include creating custom parametric elements that respond intelligently to design changes while ensuring accurate geometry within the architectural environment. This capability enables architects to implement sophisticated BIM components efficiently, like doors and windows, using object-oriented programming concepts. The declarative scripting approach further enhances the creation process of custom components, allowing for flexibility in designing intelligent elements that adapt dynamically within virtual 3D models. These features make GDL an essential tool for enhancing functionality and customization in ARCHICAD projects.

Despite facing competition from other software solutions like Autodesk's Revit and Vectorworks Architect, which also offer extensive tools for developing parametric components in BIM environments, GDL stands out due to its specific focus on flexibility, customization, and efficient development of intelligent architectural elements. The seamless integration of GDL into ARCHICAD empowers users to create dynamic building components with precision by leveraging object-oriented programming and declarative scripting capabilities. This focused approach offers a competitive edge in designing sophisticated building projects, providing tailored solutions that cater specifically to architects' needs for creating intricate BIM elements with intelligence and exactness.